Big Island Waterfalls Adventure

Kulaniapia Falls drops 120 feet into a pool you are allowed to swim in, and that access is the reason this tour exists. It is Hawaiʻi’s largest privately accessible waterfall, gated off from the public, and you get the time and the permission to walk in and swim under it. Bring the cold expectation with you. This is a plunge, not a warm dip, and the temperature is the first thing most people remember about it.

The guides carry the day. Across the long drive and the short hikes, they read as the kind of people who know the Hawaiian history behind each stop and can make a ten-hour day move quickly. Wasabi’s guides are park-ranger trained, and it shows in how they handle the land and the pacing. That matters more than usual here, because this is a full day: pickup runs in an early window between 7:00 and 8:30 am from Keauhou, Kona, Waikoloa, and the Kohala resorts, and you are out for 10 to 11 hours (10 to 11 hours).

What you actually stop for, in order

The route runs counterclockwise around the north and east of the island. You pass through Parker Ranch country and stop at the Waipiʻo Valley Lookout, the high overlook above the valley floor. From there it is down the Hāmākua Coast to ʻAkaka Falls, a 442 ft drop reached by a short loop walk. Next is the Hawaii Tropical Botanical Garden at Onomea Bay, more than 2,000 plant species along a graded path to the shoreline. Then Kulaniapia for the swim, Rainbow Falls in Hilo for the 80 ft cascade and its banyan, and the return over Saddle Road between Mauna Kea and Mauna Loa.

A short hike to the towering ‘Akaka falls through lush tropical forests. Image credit: Wasabi Tours

The moderate rating is real. The hikes are short in distance but several sections run over uneven, sloped, and slippery ground, and a couple of pitches ask for real effort on the way back up. Closed-toe shoes with grip do more for you here than anything else you pack. The garden path is graded and manageable; the waterfall approaches are where footing matters.

Who should book this over a drive-yourself day

This is for people who want to swim a waterfall, not photograph one from a railing. You could string ʻAkaka, Rainbow Falls, and the botanical garden together on your own. You cannot get into Kulaniapia on your own, and that is the trade. The Mercedes Sprinter van also takes the work out of a long loop drive, which on this much road is worth more than it sounds at 7 am.

Lunch is a local-style picnic, teriyaki chicken, fish, vegetables, and steamed rice, eaten at a scenic spot rather than a parking lot. Somewhere in the day, malasadas tend to appear, handed out as an extra that is not on any list. Watch the water on the drive too. At least one group has had dolphins off the coast, which is luck, not schedule.

Group size caps at 13. Adult fare is $279 and youth (12 and under) is $269, plus tax. Pack a swimsuit and towel for Kulaniapia, and wear shoes you do not mind getting wet.

Wasabi Tours has run Big Island day trips since 2006 and is a member of the Sustainable Tourism Association of Hawaiʻi. Their guides are park-ranger trained and lead in English, Chinese, and Spanish, with a stated focus on environmental preservation. We list them because the reviews are consistent on the thing that is hardest to fake: guides who know the history, handle the land with care, and tend to deliver more than the booking promises.

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